Home / 31,177.80-43,025.26-17,030.64

Finding the Fourth Proportional to 31,177.80, 43,025.26 and 17,030.64

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Solution

The fourth proportional to 31,177.80, 43,025.26 and 17,030.64 is: 23,502.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,177.80 : 43,025.26 = 17,030.64 : x
  2. Step 2: Convert to fraction form
    31,177.80/43,025.26 = 17,030.64/x
  3. Step 3: Cross multiply
    31,177.80x = 43,025.26 × 17,030.64
  4. Step 4: Simplify right side
    31,177.80x = 732,747,713.97
  5. Step 5: Solve for x
    x = 732,747,713.97/31,177.80
  6. Step 6: Final answer
    x = 23,502.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.